1 /* getprop.c - Get an Android system property
2 *
3 * Copyright 2015 The Android Open Source Project
4
5 USE_GETPROP(NEWTOY(getprop, ">2", TOYFLAG_USR|TOYFLAG_SBIN))
6
7 config GETPROP
8 bool "getprop"
9 default y
10 depends on TOYBOX_ON_ANDROID
11 help
12 usage: getprop [NAME [DEFAULT]]
13
14 Gets an Android system property, or lists them all.
15 */
16
17 #define FOR_getprop
18 #include "toys.h"
19
20 #if defined(__ANDROID__)
21
22 #include <cutils/properties.h>
23
GLOBALS(size_t size;char ** nv;)24 GLOBALS(
25 size_t size;
26 char **nv; // name/value pairs: even=name, odd=value
27 )
28
29 static void add_property(char *name, char *value, void *unused)
30 {
31 if (!(TT.size&31)) TT.nv = xrealloc(TT.nv, (TT.size+32)*2*sizeof(char *));
32
33 TT.nv[2*TT.size] = xstrdup(name);
34 TT.nv[1+2*TT.size++] = xstrdup(value);
35 }
36
getprop_main(void)37 void getprop_main(void)
38 {
39 if (*toys.optargs) {
40 property_get(*toys.optargs, toybuf, toys.optargs[1] ? toys.optargs[1] : "");
41 puts(toybuf);
42 } else {
43 size_t i;
44
45 if (property_list((void *)add_property, 0)) error_exit("property_list");
46 qsort(TT.nv, TT.size, 2*sizeof(char *), qstrcmp);
47 for (i = 0; i<TT.size; i++) printf("[%s]: [%s]\n", TT.nv[i*2],TT.nv[1+i*2]);
48 if (CFG_TOYBOX_FREE) free(TT.nv);
49 }
50 }
51
52 #else
53
getprop_main(void)54 void getprop_main(void)
55 {
56 }
57
58 #endif
59